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Perylene dominates the organic contaminant profile in the Berau delta, East Kalimantan, Indonesia
Booij, K.; Arifin, Z.; Purbonegoro, T. (2012). Perylene dominates the organic contaminant profile in the Berau delta, East Kalimantan, Indonesia. Mar. Pollut. Bull. 64(5): 1049-1054. dx.doi.org/10.1016/j.marpolbul.2012.02.021
In: Marine Pollution Bulletin. Macmillan: London. ISSN 0025-326X, more
Peer reviewed article  

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Author keywords
    PCBs; PAHs; Hexachlorobenzene; DDE; Passive sampling; Indonesia

Authors  Top 
  • Booij, K., more
  • Arifin, Z.
  • Purbonegoro, T.

Abstract
    The geographical distributions of polyaromatic hydrocarbons (PAHs), polychlorinated biphenyls (PCBs), hexachlorobenzene, and 1,1-dichloro-2,2-bis(4-chlorophenyl)ethene (4,4'-DDE) were studied in the Berau delta (East Kalimantan, Indonesia), using sediment sampling and passive water sampling with semipermeable membrane devices. High concentrations of perylene were observed in sediments (54-580 ng g(-1) dry weight), and water (1-680 pg L-1). Perylene accounted for about 60% of the total concentrations of PAHs in the sediment. The relative abundance of the other PAHs was indicative of petrogenic sources. Concentrations of PCBs, hexachlorobenzene, and 4,4'-DDE in sediments were below or close to the detection limit (similar to 0.02 ng g(-1)). The analysis of a sediment core revealed no appreciable changes in the concentration of target compounds over the past three decades. We show that sediment sampling and passive water sampling are complementary techniques, and propose to bring the results of both methods to the same concentration scale, using locally derived sediment-water partition coefficients.

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